Welcome to the Asana Community Forum @Jan-Willem_Boerhout1 ![]()
This is currently not possible, however if you have your personal email also added to the other Asana Orgs you can basically access all easily by switching. When you click on your icon on the top right you see the other organizations and if there are nee notifications for you it will show a symbol.
Here is a relevant feedback request that I recommend upvoting:
For the mobile app the switching between organizations has recently been improved with the multi-account login support.